Lurng-Kuo Liu, Ephraim Feig
IEEE TCSVT
A new algorithm for computing Hadamard transforms is presented. If n is a power of four, then the new algorithm uses ⅞ n logn multiply/adds to compute a Hadamard transform of length n. © 1994 IEEE
Lurng-Kuo Liu, Ephraim Feig
IEEE TCSVT
Don Coppersmith, Chai Wah Wu
Statistics and Probability Letters
Béla Bollobás, Don Coppersmith, et al.
SIAM Journal on Discrete Mathematics
Ephraim Feig, Elliot Linzer
IS&T/SPIE Electronic Imaging 1991